Selecting a data source selects the nationally representative health survey that was used to estimate
the risk of the condition. The survey in the Republic of Ireland was the Survey of Lifestyle, Attitudes
and Nutrition (SLAN) 2007. The surveys in Northern Ireland were Health and Social Wellbeing Survey 2005/06
and Understanding Society 2009.

Help - Selecting Risk Factors

This option allows you to calculate prevalence estimates for some actual or hypothetical population and
to explore "What If?" scenarios based on theoretical changes in the demographic profile or relevant
lifestyle behaviours of the population.

Select all the risk factors if you want to fully specify the number of people in all the risk
factor groups in your actual or hypothetical population. If you select only some of the risk factors
then your population will be completed with a risk factor profile based on data from the selected survey
combined with official population estimates for 2010.

Help - Selecting a Data Source: Republic of Ireland

The risk factor profile used in IPH published figures are based on data from the survey combined with
population estimates (2010) and projections (2015, 2020) for the Republic of Ireland published by the
Central Statistics Office. There are a number of different scenarios available for the population
projections. The different scenarios are based on different assumptions about trends in mortality,
fertility, international migration, and internal migration. The assumptions are:
M0F1 Traditional
M0F1 Recent
M2F1 Traditional
where
M0: Net international migration=0
M1: Moderately positive but declining net international migration
F1: Fertility rate remains constant at 2006 level (1.9)
Traditional: Internal migration follows the patterns traditionally observed
Recent: Internal migration follows the patterns recently observed

The risk factor profile used in IPH published figures are based on data from the survey combined
with population estimates (2010) and projections (2015, 2020) for Northern Ireland published by the
Northern Ireland Statistics and Research Agency. The population projections are the 2008-based principal
projection scenario that incorporates what are considered to be the best assumptions, based on historical
trends, about mortality, fertility and migration. The principal scenario assumes declining mortality,
small positive net migration, and a fertility rate of 1.95.

By default the results table is a collapsed table that summarises prevalence for the population subgroups.
Click on “Show full table” to expand the table to display prevalence for all the population subgroups.

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